Answer:
Step-by-step explanation:
Add 9x to both sides:
Simplify:
Solve with the quadratic formula:
For a quadratic equation of the form the solutions are:
For
The solution to the quadratic equation are:
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Answer:
note that when opening the bracket the value outside the bracket with be used to multiply all the values inside the bracket... for example -(3/4+2/5) the (-) subtraction sign will be used to multiply all the values in the bracket including the addition sign therefore changing plus to minus
Step-by-step explanation:
start with this formula
y=mx+b
m is slope
and b is the y intercept so on the y axis place point on -3
the slope m is 2 so, go up 2 points in the y axis then right 1 point(since slope is (2/1)) and place 2nd point there
connect dots and place arrow heads
it is the 2nd graph
Answer:
1/2
Step-by-step explanation:
Because they are both even so they both have a 1/2 percent chance of winning
Answer:
The actual height of telescope is 42.85 inches
Step-by-step explanation:
Given that:
Height of model of telescope = 15 inches
Diameter of model of telescope = 3.5 inches
Actual diameter of telescope = 10 inches
Actual height of telescope = x
Ratio of model's diameter to height :: Ratio of actual diameter to height
3.5 : 15 :: 10 : x
Product of extreme = Product of mean
3.5*x = 10*15
3.5x=150
Dividing both sides by 3.5
Hence,
The actual height of telescope is 42.85 inches